2765732172 has 96 divisors (see below), whose sum is σ = 7493713920. Its totient is φ = 777591360.

The previous prime is 2765732161. The next prime is 2765732197. The reversal of 2765732172 is 2712375672.

It is a happy number.

2765732172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2859633 + ... + 2860599.

It is an arithmetic number, because the mean of its divisors is an integer number (78059520).

Almost surely, 2^2765732172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2765732172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3746856960).

2765732172 is an abundant number, since it is smaller than the sum of its proper divisors (4727981748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2765732172 is a wasteful number, since it uses less digits than its factorization.

2765732172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1489 counting only the distinct ones).

The product of its digits is 246960, while the sum is 42.

The square root of 2765732172 is about 52590.2288643052. The cubic root of 2765732172 is about 1403.6862331612.

The spelling of 2765732172 in words is "two billion, seven hundred sixty-five million, seven hundred thirty-two thousand, one hundred seventy-two".